Faithfull Hexagon Allen Key Imperial

Faithfull Professional quality hexagon keys made from fully hardened chrome vanadium steel. All keys from 4mm (5/32in) have chamfered edges to prevent damage to blade and fittings. All keys 3mm (1/8in) and above are marked with their size.Size.1/4in AF.Additional Information:
: Type: Standard
: Size: 1/4in A/F